#!/usr/bin/env node
var cp = require('./utils/child-process-wrapper.js');
var fs = require('fs');
var path = require('path');
var os = require('os');

var isWindows = process.platform === 'win32';
var removeCommand = isWindows ? 'rmdir /S /Q ' : 'rm -rf ';
var productName = require('../package.json').productName;

process.chdir(path.dirname(__dirname));
var home = process.env[isWindows ? 'USERPROFILE' : 'HOME'];
var tmpdir = os.tmpdir();

// Windows: Use START as a way to ignore error if Atom.exe isnt running
var killatom = isWindows ? 'START taskkill /F /IM ' + productName + '.exe' : 'pkill -9 ' + productName + ' || true';

var commands = [
  killatom,
  [__dirname, '..', 'node_modules'],
  [__dirname, '..', 'build', 'node_modules'],
  [__dirname, '..', 'apm', 'node_modules'],
  [__dirname, '..', 'atom-shell'],
  [__dirname, '..', 'electron'],
  [__dirname, '..', 'out'],
  [home, '.atom', '.node-gyp'],
  [home, '.atom', 'storage'],
  [home, '.atom', '.apm'],
  [home, '.atom', '.npm'],
  [home, '.atom', 'compile-cache'],
  [home, '.atom', 'atom-shell'],
  [home, '.atom', 'electron'],
  [tmpdir, 'atom-build'],
  [tmpdir, 'atom-cached-atom-shells'],
];
var run = function() {
  var next = commands.shift();
  if (!next)
    process.exit(0);

  if (Array.isArray(next)) {
    var pathToRemove = path.resolve.apply(path.resolve, next);
    if (fs.existsSync(pathToRemove)) {
      if (isWindows) {
        removeFolderRecursive(pathToRemove);
      } else {
        next = removeCommand + pathToRemove;
        cp.safeExec(next, run);
      }
    }
    else {
      return run();
    }
  }
  else
    cp.safeExec(next, run);
};
run();

// Windows has a 260-char path limit for rmdir etc. Just recursively delete in Node.
var removeFolderRecursive = function(folderPath) {
  fs.readdirSync(folderPath).forEach(function(entry, index) {
    var entryPath = path.join(folderPath, entry);
    if (fs.lstatSync(entryPath).isDirectory()) {
      removeFolderRecursive(entryPath);
    } else {
      fs.unlinkSync(entryPath);
    }
  });
  fs.rmdirSync(folderPath);
};